<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<link href="animation3.css" rel="stylesheet" type="text/css">
</head>

<body>
<div class="spinner">
  <div class="double-bounce1"></div>
  <div class="double-bounce2"></div>
</div>
</body>
</html>
